David wanted to go on an amusement park ride. A sign posted at the entrance read “You must be greater than 42 inches tall and no more than 57 inches tall for this ride.” Which inequality would model the height, x, required for this amusement park ride?
Answer:
42 < x less than or equal to 57
Step-by-step explanation:
The inequality that would model the height, x, required for this amusement park ride is 57 > h > 42.
What is inequality?A statement of an order relationship-greater than, greater than or equal to, less than, less than or equal to- between two numbers or algebraic equations
Now it is given that,
Lower limit of height must be greater than 42 inches
Upper limit of height must be less than 57 inches
If h is the height used for model.
Thus, h < 57 inches
and, h > 42 inches
Therefore the inequality model will be,
57 > h > 42
Thus, the inequality that would model the height, x, required for this amusement park ride is 57 > h > 42.
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HALP PLS NO LINKS OR FILES PLS
SCREENSHOT BELOW!!!
Answer:
12 and 13
Step-by-step explanation:
Thomas bought 100 folders he paid $50 for all the folders He said every folder cost five cents do you agree
Answer:
No, each folder costs 50 cents.
Step-by-step explanation:
0.50*100= 50
Find the x intercepts of the graph of -6x + 5y =24. State your answers as while numbers or as improper fractions in simplest form.
Answer:
x-intercept: -4
y-intercept: 24/5
Step-by-step explanation:
Firstly you have to isolate the y:
-6x + 5y = 24
5y = 6x + 24
y = (6x +24)/5
Now, just think about the graph: when the function touch the x-axis, the value of y is equal to 0, and when the function touch the y-axis, the value of x is 0, so just put they in the function:
y = (6•0 + 24)/5
y = 24/5
0 = (6x + 24)/5
5•0 = 6x +24
0 = 6x +24
-6x = 24
x = 24/-6
x = -4
Finding Percents Using Decimals 1.8 of 240
Answer:
I think 4.32...............
Please help me in tho hard question!!!
Answer:
x=26
m∠HJN=53°
Step-by-step explanation:
The two angles share a right angle, meaning they are complementary and have a sum of 90°.
[tex](2x+1)+37=90[/tex]
[tex]2x+38=90[/tex]
[tex]2x=52[/tex]
[tex]x=26[/tex]
If x=26,
m∠HJN
[tex]=2(26)+1[/tex]
[tex]=52+1[/tex]
[tex]=53[/tex]
Please help.
Find the value of x
Answer:
The value of x is 18
Step-by-step explanation:
24 x 15 is 360. ( x + 12 ) x 12 = 360 as well. So, 360÷12=30. 30-12 = 18. So the full equation is (18+12)x12=24×15 which are both equal to 360.
plz plz answer this 10pts
Answer:
PART A
$4.25×2.9$12.325PART B
cost of milk chocolate=$5.15×1.6$8.24total cost =12.325+8.24
$20.565hope it helps
stay safe healthy and happy.Answer:
Part A: $12.325
Part B: $20.565
Step-by-step explanation:
PART A:
To find the answer, we multiply 2.9 and 4.25 together: 2.9 * 4.25 = 12.325
The cost of 2.9 pounds of dark chocolate is $12.325
PART B:
To find the answer, we multiply 1.6 and 5.15 together: 1.6 * 5.15 = 8.24
After that, to find the cost of the dark and milk chocolate together, we add up the two answers: 12.325 + 8.24 = 20.565
The total cost of the milk and dark chocolate is $20.565
Note: You might need to round it up. In this case, Part A is $12.33 and Part B is $20.57
We had a surprise party for Grandmama she was very surprised. Find the error in the sentence
Answer:
There needs to be a (.) or an (;)
Step-by-step explanation:
The measure of an angle is 5. What is the measure of its complementary angle?
Answer:
85°
Step-by-step explanation:
90° - 5° = 85°
If my answer is incorrect, pls correct me!
If you like my answer and explanation, mark me as brainliest!
-Chetan K
Find the length of the following sides:
DF
AB
EF
Answer:
DF) = 10
AB) = 5
EF) = 12.5
Step-by-step explanation:
For length AB
[tex]3^{2} +4^{2} = AB^{2}[/tex] -> 9+16=[tex]\sqrt{25}[/tex] -> 5
For length DF
We know that AD is 2.5 times smaller than DE (7.5 / 3)
Now we can use that to determine length DF
BD = 4, DF = 4*2.5 = 10
using the Pythagorean theorem, you can find EF:
[tex]DE^{2} +DF^{2} =EF^{2}[/tex]
[tex]7.5^{2}+ 10^{2} =12.5[/tex]
ILL GIVE YOU BRAINLIEST!! 33 POINTS!!!
(ONLY IF YOU GET IT CORRECT)
Answer:
80 ft
Step-by-step explanation:
the length of an arc is equal to the degree the arc makes
Answer:
A. 28π/9 ftStep-by-step explanation:
Arc length is:
2πr*80°/360° ft = 4π*7/9 ft =28π/9 ftCorrect choice is A
WILL MARK BRAINLIEST!!! Plz help me with my math!
y varies directly with x. If y = -4 when x = 2, find y when x = -6.
Answer:
y = 12
Step-by-step explanation:
y = kx
-4 = k * 2
k = -4/2 = -2
y = -2x
y = -2 * (-6)
y = 12
6 + y= -8 ????????????????
Answer:
y = -14
Step-by-step explanation:
6 + y = -8
Subtract 6 from both sides to get y by itself.
y = -14.
Proof:
6 + y = -8
Substitute the variable.
6 + (-14) = -8
Add the negative/Subtract.
-8 = -8.
Answer:
y=−14
Step-by-step explanation:
Let's solve your equation step-by-step.
6+y=−8
Step 1: Simplify both sides of the equation.
y+6=−8
Step 2: Subtract 6 from both sides.
y+6−6=−8−6
y=−14
brainliest please?
Who could help me please and thank you
Only answer if you know how to do the equation
Let's find the slope of the line passing through it :
[tex] \boxed{ slope = \frac{y_2-y_1}{ x_2- x_1} }[/tex]
[tex] \dfrac{ -5 - ( - 6)}{0 - ( - 5)} [/tex][tex] \dfrac{1}{5} [/tex]Now, we know, equation of a line is :
[tex]\longrightarrow y = mx + b[/tex]
where,
m represents the slopeTherefore,
[tex]\longrightarrow \: y = \dfrac{1}{5} x + b[/tex]
let's put the value of x and y from the first coordinates .
[tex]y = \dfrac{x}{5} + b[/tex][tex] - 5 = \dfrac{0}{5} + b[/tex][tex]b = - 5[/tex]Hence, we got the equation of line as :
[tex]y = \dfrac{x}{5} - 5[/tex]or
[tex]5y = x - 25[/tex]_____________________________
[tex]\mathrm{ ☠ \: TeeNForeveR \:☠ }[/tex]
Bill had 5 tests over the marking period. He knows he is receiving a 85 on his report card. He was looking back at his test and only has four grades: 80, 90, 100, 85. What was the score of the missing test? Please no silly answers or links ill report you.
Answer:
70
Step-by-step explanation:
(Not the most streamlined way but.)
Knowing that if he had 5 tests, and a mark of 85, we can determine the total average grade Bill received. 85*5=425
Then subtract the known grades
425-(90+85+100+80)=x
425-(355)=x
70=x
Bill would have scored 70 on that 5th test
School ends at 2:50 P.M. The school day is 6 hours and five minutes long. What time does school begin?
Answer:
School begins at 8:45
Step-by-step explanation:
take 5 away from 50 and get 45
take 6 away from 2 on a clock is 8
Fahad is 140 cm tall. Fareed is 1090 mm tall.
Who is taller? How much taller?
Answer:
Fahad is taller with 31 centimeters
Step-by-step explanation:
1090mm=109cm
Fahad is taller than Fareed by 31 centimeters.
1090 mm = 109 cm
140 cm - 109 cm = 31 cm
Hope this helps; please mark brainliest!
Have an amazing day!
Josh orders 12 soccer jerseys for his team, including his coach. He pays a total
of R594,60 for the jerseys. What did each jersey cost?
Answer:
4955
Step-by-step explanation:
soccer jerseys--> 12
total--> R 59460
= 59460 divided by 12
= 4955
Ans: Each jersey costs R 4955.
thenks and mark me brainliestt pls :))
There is a hole that is 6ft deep and has a diameter of 5t how much dirt is in the hole?
If the gradient of the tangent to
[tex]y = \sqrt{x} [/tex]
is
[tex] \frac{1}{6} [/tex]
at point A, find the coordinates of A.
Answer:
Point A(9, 3)
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of EqualityAlgebra I
Coordinates (x, y) Functions Function Notation Terms/Coefficients Anything to the 0th power is 1Exponential Rule [Rewrite]: [tex]\displaystyle b^{-m} = \frac{1}{b^m}[/tex] Exponential Rule [Root Rewrite]: [tex]\displaystyle \sqrt[n]{x} = x^{\frac{1}{n}}[/tex]Calculus
Derivatives
Derivative Notation
Derivative of a constant is 0
Basic Power Rule:
f(x) = cxⁿ f’(x) = c·nxⁿ⁻¹Derivative Rule [Chain Rule]: [tex]\displaystyle \frac{d}{dx}[f(g(x))] =f'(g(x)) \cdot g'(x)[/tex]
Step-by-step explanation:
Step 1: Define
Identify
[tex]\displaystyle y = \sqrt{x}[/tex]
[tex]\displaystyle y' = \frac{1}{6}[/tex]
Step 2: Differentiate
[Function] Rewrite [Exponential Rule - Root Rewrite]: [tex]\displaystyle y = x^{\frac{1}{2}}[/tex]Basic Power Rule: [tex]\displaystyle y' = \frac{1}{2}x^{\frac{1}{2} - 1}[/tex]Simplify: [tex]\displaystyle y' = \frac{1}{2}x^{-\frac{1}{2}}[/tex][Derivative] Rewrite [Exponential Rule - Rewrite]: [tex]\displaystyle y' = \frac{1}{2x^{\frac{1}{2}}}[/tex][Derivative] Rewrite [Exponential Rule - Root Rewrite]: [tex]\displaystyle y' = \frac{1}{2\sqrt{x}}[/tex]Step 3: Solve
Find coordinates of A.
x-coordinate
Substitute in y' [Derivative]: [tex]\displaystyle \frac{1}{6} = \frac{1}{2\sqrt{x}}[/tex][Multiplication Property of Equality] Multiply 2 on both sides: [tex]\displaystyle \frac{1}{3} = \frac{1}{\sqrt{x}}[/tex][Multiplication Property of Equality] Cross-multiply: [tex]\displaystyle \sqrt{x} = 3[/tex][Equality Property] Square both sides: [tex]\displaystyle x = 9[/tex]y-coordinate
Substitute in x [Function]: [tex]\displaystyle y = \sqrt{9}[/tex][√Radical] Evaluate: [tex]\displaystyle y = 3[/tex]∴ Coordinates of A is (9, 3).
Topic: AP Calculus AB/BC (Calculus I/II)
Unit: Derivatives
Book: College Calculus 10e
[tex]54 \sqrt{25} [/tex]
Answer:
270
Step-by-step explanation:
[tex]\sqrt{25} = 5[/tex]
54 * 5
270
What is the approximate volume of a cone with a height of 12 inches and a diameter of 10 inches?
Use 3.14 for 7 and round the answer to the nearest whole number.
Answer:
314
Step-by-step explanation:
V=πr^2(h/3)
diameter is 10 so /2 and you get radius
plug values in and solve for x
Answer:
314
yea im sure thats the answear
Drag a company name into each box to show the total cost from least to greatest.
Answer:
Company A:
$3 each6% for shipping150*3*1.06 = $477 total costCompany B:
$3.10 each4% for shipping150*3.1*1.04 = $483.60 total costCompany C:
$3.20 eachNo shipping charge150*3.2 = $480 total costLeast cost | Medium cost | Greatest cost
Company A | Company C | Company B
Lily is 90 cm tall. If Anika is 3/5 of the height of Lily, and Sadaf is 4/3 of the height of Anika, how tall is Sadaf?
The record high temperature is 124 F the record low temperature for the same state is -8. What is the range integer? (Write and solve equation). Help please :(
Answer:
here it's 124°F so if we subtract 8 in 124 it will be 124-8= 114°F
now the range = height - lowest = 124°- 114°F = 8° F
Evaluate Vb2 - 4ac when a = -2, b = 8 and c = 1/2 Write your answer in simplest form and in decimal form rounded to the
nearest hundredth
Simplest form:
Decimal form:
Find the selling price
Cost of the computer; $1,850.00
Markup: 75%
Answer:
2466.67
Step-by-step explanation:
1850/.75=2466.67
The cost of selling price of the computer is, $3,237.5
What is mean by Percentage?A number or ratio that can be expressed as a fraction of 100 or a relative value indicating hundredth part of any quantity is called percentage.
Given that;
Cost of the computer = $1,850.00
Markup = 75%
Now,
The cost of selling price of the computer is,
⇒ $1,850 + 75% of $1,850
⇒ $1850 + 75 /100 × $1850
⇒ $1850 + $1387.5
⇒ $3,237.5
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BRAINLY PEOPLE HELP!!!
Answer:
A)
Step-by-step explanation:
Hope I helped! Ask me anything if you have questions! Brainiest plz. Hope You make a 100%! Have a nice day! -Amelia♥
Please say whether they are equivalent or not
Answer:
Nothing is here. You may need to reupload question.